The Stitchers team is on the defense when Cameron and Detective Fisher are targeted in a shooting. Kirsten's stitch leads them to Robert Barbiero, a security expert who has worked with Maggie in the past and was close to Kirsten's mom. As Kirsten follows the clues that Ed Clark left her, she finds unexpected answers to long-held questions.

Kirsten’s father Daniel Stinger shows up and Kirsten must perform the most important stitch of her life.

Now closer than ever to uncovering the mysteries surrounding her parents, Kirsten’s mind is threatened when her stitch leads her deep into the recesses of her own memories.

When a plane lands in Los Angeles with multiple dead passengers and no apparent cause, the Stitchers team sweeps into action. Now racing against the clock to determine if this is a terrorist attack or the work of a fellow passenger, Kirsten is tasked with stitching into one victim after another to learn exactly what happened. Cameron worries about Kirsten’s well-being and their new dynamic in light of his relationship with Nina. Meanwhile, Camille tries to help Linus through a personal issue, and Liam continues to cause problems.

Fueled by his love for Kirsten, Cameron finds a way to bring her back to reality, but it could cost them their relationship. Meanwhile, the Stitchers lab is on lockdown, leaving an anxious Linus unable to check on his father’s condition after surgery. But, as the team prepares to be reassigned for breaking protocol, NSA Director Mitchell Blair surprises everyone by demanding an emergency stitch that yields shocking new information.

When Kirsten wakes up to find that everyone in the stitch lab, except Cameron, is missing, the two search everywhere but only find a series of mysterious clues. Kirsten is forced to confront her own emotions about her relationship with Cameron.

Kirsten surprises the Stitchers team when they discover that she has a boyfriend, Liam, who shows up suddenly, prompting Maggie to covertly gather information on him. Meanwhile, a young woman’s extravagant social life may be the clue to her death.

Mitchell Blair directs Kirsten to shut down all investigation into finding her father. But Kirsten has finally made contact with someone she thinks can lead her to him. To gain her source’s trust, she tries to explain her role in the Stitchers program, without actually revealing the program’s nature. Treading carefully, Kirsten recounts the team’s current case, in which a series of murders is tied to a wildly popular new app.

The Stitchers team investigates the murder of an online psychic whose symbolic, layered memories are further complicated when Kristen sees the murder of another person in the stitch. Maggie expresses her reservations about Kirsten’s relationship with Liam. Meanwhile, Camille hesitantly agrees to meet Linus’s parents.

Highly intelligent and emotionally distant, Kirsten Clark has an aptitude for technology but never expected that she’d be hacking into the minds of the recently deceased.

A dangerous new drug has claimed the life of a young woman and, while the Stitchers team is looking for its source, they run into Detective Fisher, who is on the same trail.

When an MI6 agent is found dead, Kirsten struggles to sort through his memories due to the visual codes that the spy used to keep secrets. Meanwhile, Linus and Camille go on a double date, but not with each other.

When Cameron’s neighbor is killed, the Stitchers group works to determine if the bullet was really meant for Cameron. As they stakeout the location Kirsten finds that she enjoys the reconnaissance, maybe a little too much. Meanwhile, Cameron shares more details with Kirsten about Marta’s disastrous stitch.

When a murky stitch doesn’t give enough evidence against a newlywed husband accused of killing his wife, Kirsten attempts to prove her strong feelings about his guilt. This effect on Kirsten makes Cameron worry that she will end up like Marta. Meanwhile, Linus and Camille get to know each other better.

When a young woman falls to her death with a cryptic note attached to her body, Kirsten is convinced the message is somehow tied to her own past.

While Camille preps for her annual Halloween bash, the Stitchers team investigates the suicide of a young man, who may have abducted a missing college student. The stitch leaves Kirsten spooked, and she begins to worry she’s being haunted by him as they race to find the missing girl.

After an engineer ends up dead, his colleague and work rival becomes a suspect. However, upon examining some stitches, Kirsten and the team uncover that he was a part of an underground gaming club. The team races to save a falling satellite while Cameron takes a walk on the wild side when he infiltrates the gaming ring to get close to another suspect.

When the algorithm for the Stitchers program turns up among thousands of classified documents hidden by a conspiracy theorist, Kirsten starts to suspect her colleagues. Meanwhile, Kirsten starts getting cryptic messages from an unexpected source.